Global Patent Index - EP 1548498 A4

EP 1548498 A4 20090325 - COMPOSITION SENSITIVE TO VISIBLE LIGHT

Title (en)

COMPOSITION SENSITIVE TO VISIBLE LIGHT

Title (de)

FÜR SICHTBARES LICHT EMPFINDLICHE ZUSAMMENSETZUNG

Title (fr)

COMPOSITION SENSIBLE AU SPECTRE VISIBLE

Publication

EP 1548498 A4 20090325 (EN)

Application

EP 03792751 A 20030820

Priority

  • JP 0310534 W 20030820
  • JP 2002238714 A 20020820

Abstract (en)

[origin: EP1548498A1] The present invention provides a visible light-sensitive composition which is highly sensitive to a visible light and is useful as an electronic circuit forming material, a lithographic printing material, etc., said visible light-sensitive composition comprising (a) a polymer comprising a repeating unit represented by general formula (I): <CHEM> wherein R<1>, R<2>, and R<3> are the same or different and each represents substituted or unsubstituted alkyl, substituted or unsubstituted aryl, or substituted or unsubstituted aralkyl, or alternatively R<1> and R<2> form cycloalkyl together with the adjacent carbon atom, and R<4> represents lower alkyl, (b) a compound that generates an acid by visible light irradiation and (c) a sensitizing dye.

IPC 1-7

G03F 7/039; G03F 7/004; C08F 20/26

IPC 8 full level

G03F 7/039 (2006.01)

CPC (source: EP US)

G03F 7/0392 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1548498 A1 20050629; EP 1548498 A4 20090325; AU 2003262255 A1 20040311; CN 1666151 A 20050907; JP 4302634 B2 20090729; JP WO2004019131 A1 20051215; KR 20050058334 A 20050616; TW 200407673 A 20040516; TW I283335 B 20070701; US 2006003259 A1 20060105; US 7294448 B2 20071113; WO 2004019131 A1 20040304

DOCDB simple family (application)

EP 03792751 A 20030820; AU 2003262255 A 20030820; CN 03815690 A 20030820; JP 0310534 W 20030820; JP 2004530585 A 20030820; KR 20057002695 A 20050217; TW 92122699 A 20030819; US 52352305 A 20050204